From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Borg & Beck clutches specification sheet for a Rolls Royce Phantom III.
| Identifier | ExFiles\Box 129\4\ scan0261 | |
| Date | 12th August 1938 guessed | |
| FORM G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 8/B. 1110 BORG & BECK CLUTCHES. BORG & BECK COMPANY, LTD. TACHBROOK ROAD, LEAMINGTON SPA, WARWICKSHIRE. Index MAKE OF VEHICLE ROLLS ROYCE TYPE PHANTOM III No. MODEL YEAR SERIAL No. Date SPECIFICATION. Weight Total Loaded Weight of Vehicle 55-60 CWT. Pay Load Engine Make of RR. Model Class (Petrol or Diesel) Bore 3 1/4 Stroke 4 1/2 Number Cylinders 12 Torque Maximum 356 Lbs., Ft., and at 1000 - 2000 Revs. Max. Revs. of Engine 4500 Flywheel Weight NEW DESIGN TO SUIT Outside Diameter 15.5 OVER " Radius of Gyration STARTER TEETH Engine Mounting If Engine is Flexibly mounted and Articulates round Crankshaft Axis state Maximum Amount of movement at 2ft. Radius. COMPARATIVELY RIGID. Gear Box Make RR. Model 4 SPEED Unit or Independent Construction Actuation Ratio of Disengaging Leverage SEE OUR LETTER OF Method of Actuation Manual If Automatic Type Drawings Customer Installation Drawings attached Nos. and Description Remarks : SUGGEST 12" LONG CF Data obtained BORG & BECK COMPANY'S RECOMMENDATIONS. Type Spec. No. Release Bearing Spline Disc Springs Wt. Designated Quantity Drawings and Installation Actuation Recommendations Dates Made Remarks : AUTOMOTIVE DIVISION. | ||